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Franklin Master Oscillator, by Marconi Company, England, c. 1930
Inventory Number: 43735
Date: c. 1930
Maker Details: Attributed to Marconi's Wireless Telegraph Co. Ltd.
Inscription: "OSCILLATOR / TYPE _____ P.S. 63727 / INST. NO. MC139448" in M.W.T.C.L. style metal plaque on top of cylinder casing.
Size: 470 mm (in length) x 150 mm (in diameter)
Materials: Steel, ebonite, bakelite, mahogany?, copper.
Other Given Number(s): Christie's 186.
Notes:
Franklin Master Oscillator, with cylindrical steel casing, an ebonite vernier scale (scale 0-100) with bakelite dial (scale 0-8) at end, mahogany? chassis on top with two five-pin valve-holders and assorted metal and copper components.
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